:root {
    --primary-bg: #34495e;
    --sidebar-bg: #ecf0f1;
    --button-bg: #2980b9;
    --hover-bg: #3498db;
    --text-color: #2c3e50;
    --white-color: #fff;
    --font-size-base: 1rem; /* Taille de police de base */
    --spacing-unit: 1rem; /* Unité d'espacement */
    --border-radius: 8px; /* Rayon de bordure */
}

* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: "Poppins", sans-serif;
}

body {
    width: 100%;
    min-height: 100vh;
    background-color: var(--white-color);
}

.app-container {
    width: 100%;
    min-height: 100vh;
    display: flex;
}

.sidebar {
    width: 300px;
    height: 100vh;
    background: linear-gradient(135deg, var(--sidebar-bg) 0%, #f5f6fa 100%);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    padding: var(--spacing-unit);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    transition: width 0.3s ease; /* Transition pour le responsive */
    animation: slideInLeft 0.5s ease forwards;
}

.sidebar .header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-unit);
}

.sidebar .header #photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--white-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sidebar .header #photo:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.sidebar .header .name {
    font-size: 1.5rem;
    color: var(--text-color);
    font-weight: 600;
    background: linear-gradient(45deg, var(--text-color), var(--button-bg));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.sidebar .job-title {
    font-size: 1.3rem; /* Utilisation de rem */
    color: var(--text-color);
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.sidebar .job-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 2px;
    background: var(--button-bg);
    border-radius: 2px;
}

.sidebar #downloadBtn {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: var(--border-radius);
    background: linear-gradient(45deg, var(--button-bg), var(--hover-bg));
    box-shadow: 0 4px 15px rgba(41, 128, 185, 0.2);
    color: var(--white-color);
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: all 0.3s ease;
    transform: translateY(0);
}

.sidebar #downloadBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(41, 128, 185, 0.3);
}

.sidebar #downloadBtn:active {
    transform: translateY(1px);
}

.sidebar .footer {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.sidebar .footer .brand-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--button-bg), var(--hover-bg));
    box-shadow: 0 4px 15px rgba(41, 128, 185, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white-color);
    text-decoration: none;
    transition: all 0.3s ease;
    transform: translateY(0);
}

.sidebar .footer .brand-link:hover {
    transform: translateY(-2px) rotate(8deg);
    box-shadow: 0 6px 20px rgba(41, 128, 185, 0.3);
}

/* Ajout d'icônes pour les liens sociaux */
.sidebar .footer #mail::before {
    font-family: "uicons-bold-rounded";
    content: "\f159";
}

.sidebar .footer #linkedin::before {
    font-family: "uicons-bold-rounded";
    content: "\f234";
}

.sidebar .footer #github::before {
    font-family: "uicons-bold-rounded";
    content: "\f198";
}

/* Style pour le contenu principal */
.main {
    width: calc(100% - 300px);
    min-height: 100%;
    margin-left: 300px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, rgba(236, 240, 241, 0.1), rgba(255, 255, 255, 0.9));
    position: relative;
    gap: 2rem;
}

.main .navbar {
    width: 95%;
    height: 70px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin: 0 auto;
    padding: 0 2rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 1rem;
    z-index: 100;
    transition: all 0.3s ease;
}

.main .navbar:hover {
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.08);
}

.main .navbar .nav-items {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1.2rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s ease;
    border-radius: var(--border-radius);
    position: relative;
}

.main .navbar .nav-items .icon {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.main .navbar .nav-items:hover {
    background: rgba(41, 128, 185, 0.1);
}

.main .navbar .active {
    background: var(--button-bg);
    color: var(--white-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(41, 128, 185, 0.2);
}

.section {
    width: 95%;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 1s ease forwards, slideIn 0.5s ease-out;
    transition: opacity var(--transition-speed);
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    padding: 2rem;
    margin-top: 2rem;
}

.section h2 {
    position: relative;
    display: inline-block;
    margin-bottom: 2rem;
}

.section h2::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 50%;
    height: 3px;
    background: linear-gradient(to right, var(--button-bg), transparent);
    border-radius: 3px;
}

.sub-menu {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin: 2rem 0;
    padding: 0.8rem;
    background: var(--sidebar-bg);
    border-radius: var(--border-radius);
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.05);
}

.sub-nav-items {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1.2rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--text-color);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.sub-nav-items .icon {
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.sub-nav-items:hover .icon {
    transform: translateY(-2px);
}

.sub-nav-items::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--button-bg), var(--hover-bg));
    border-radius: var(--border-radius);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: -1;
}

.sub-nav-items:hover::before {
    transform: translateX(0);
}

.sub-nav-items:hover {
    color: var(--white-color);
}

.visited {
    background: var(--button-bg);
    color: var(--white-color);
    box-shadow: 0 4px 15px rgba(41, 128, 185, 0.2);
}

.d-none {
    display: none !important;
}

.sub-section {
    width: 100%;
    height: 380px;
    padding: 0.5rem;
    transition: opacity var(--transition-speed);
}

.formations-container {
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius);
    padding: 1rem;
}

.slider-content {
    width: calc(100% - 120px);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.formation {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 2rem;
    transition: transform 0.5s ease-in-out;
    opacity: 0;
    visibility: hidden;
}

.formation.active {
    opacity: 1;
    visibility: visible;
}

.formation #slide-logo {
    width: 150px;
    height: 150px;
}

.formation .slide-title {
    font-size: 1.4rem;
    color: var(--text-color);
    text-align: center;
    font-weight: 600;
    margin: 0;
}

.formation .slide-text {
    font-size: 1.1rem;
    color: var(--text-color);
    text-align: center;
    opacity: 0.8;
    margin: 0;
}

/* Boutons de navigation du slider */
.formations-container button {
    width: 45px;
    height: 45px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--button-bg), var(--hover-bg));
    color: var(--white-color);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(41, 128, 185, 0.2);
    z-index: 2;
}

.formations-container button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(41, 128, 185, 0.3);
}

.formations-container button:active {
    transform: scale(0.95);
}

/* Style pour les indicateurs radio du slider */
.slider-indicators {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.4rem;
    z-index: 2;
}

.slider-indicators input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--sidebar-bg);
    border: 1px solid var(--button-bg);
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
    margin: 0;
}

.slider-indicators input[type="radio"]:checked {
    background: var(--button-bg);
    transform: scale(1.2);
}

.slider-indicators input[type="radio"]:hover {
    transform: scale(1.1);
}

/* Animation du slider */
@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(-100%);
        opacity: 0;
    }
}

/* Responsive design pour le slider */
@media (max-width: 768px) {
    .formations-container {
        height: 350px;
        padding: 0.5rem;
    }

    .slider-content {
        width: calc(100% - 90px);
    }

    .formation {
        padding: 1rem;
        gap: 1rem;
    }

    .formation #slide-logo {
        width: 70px;
        height: 70px;
    }

    .formation .slide-title {
        font-size: 1.2rem;
    }

    .formation .slide-text {
        font-size: 1rem;
    }

    .formations-container button {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }

    .slider-indicators input[type="radio"] {
        width: 6px;
        height: 6px;
    }
}

.modal-overlay.active {
    display: flex;
}

.interest-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--white-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    max-width: 500px;
    width: 90%;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1001;
}

.interest-modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.interest-modal .modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.interest-modal .close-modal {
    position: absolute;
    top: -1rem;
    right: -1rem;
    background: var(--button-bg);
    color: var(--white-color);
    border: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Media Queries pour le responsive */
@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
        height: auto;
    }

    .sidebar {
        position: relative;
        padding: 1rem;
        margin-bottom: 0;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

    .sidebar .header {
        flex-direction: row;
        align-items: center;
        gap: 1rem;
    }

    .sidebar .header #photo {
        width: 80px;
        height: 80px;
    }

    .sidebar .job-title {
        text-align: left;
        padding-bottom: 0.5rem;
    }

    .sidebar .job-title::after {
        left: 0;
        transform: none;
    }

    .sidebar #downloadBtn {
        max-width: 200px;
        margin: 1rem auto;
    }

    .main {
        width: 100%;
        margin-left: 0;
        padding: 1rem;
    }

    .main .navbar {
        width: 100%;
        height: auto;
        padding: 0.5rem;
        overflow-x: auto;
        justify-content: flex-start;
        gap: 1rem;
        margin-bottom: 1rem;
    }

    .main .navbar .nav-items {
        padding: 0.6rem 1rem;
        white-space: nowrap;
    }

    .section {
        width: 100%;
        padding: 1rem;
    }

    .sub-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.8rem;
        padding: 0.5rem;
    }

    .sub-nav-items {
        padding: 0.6rem 1rem;
    }
}

/* Animation pour les éléments actifs */
.main .navbar .active .icon,
.sub-nav-items.visited .icon {
    animation: bounce 0.5s ease;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

/* Style pour les filtres du portfolio */
.portfolio-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    justify-content: center;
}

.filter-btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--border-radius);
    background: var(--sidebar-bg);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn.active {
    background: var(--button-bg);
    color: var(--white-color);
}

/* Style amélioré pour la grille de projets */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 3 colonnes fixes */
    gap: 2rem;
    padding: 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Style amélioré pour les cartes de projet */
.portfolio-item {
    background: var(--white-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(41, 128, 185, 0.1);
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(41, 128, 185, 0.15);
    border-color: var(--button-bg);
}

.project-header {
    position: relative;
    padding-top: 60%; /* Ratio 16:9 */
    overflow: hidden;
}

.project-header img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-item:hover .project-header img {
    transform: scale(1.1);
}

/* Style amélioré pour les badges de statut */
.project-status {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

/* Badge Terminé */
.project-status.terminé {
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.95), rgba(39, 174, 96, 0.95));
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.project-status.terminé::before {
    content: '✓';
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.2);
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Badge En cours avec animation améliorée */
.project-status.en-cours {
    background: linear-gradient(135deg, rgba(241, 196, 15, 0.95), rgba(243, 156, 18, 0.95));
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.project-status.en-cours::before {
    content: '';
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: white;
    position: relative;
    display: block;
    animation: pulse-ring 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

.project-status.en-cours::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shimmer 2s infinite linear;
}

/* Animation du point clignotant */
@keyframes pulse-ring {
    0% {
        transform: scale(0.7);
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7);
    }
    50% {
        transform: scale(1);
        opacity: 0.5;
        box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.3);
    }
    100% {
        transform: scale(0.7);
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
    }
}

/* Animation de brillance */
@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Effet de survol pour les badges */
.project-status:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* Responsive design */
@media (max-width: 768px) {
    .project-status {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
        gap: 0.6rem;
    }

    .project-status.terminé::before,
    .project-status.en-cours::before {
        width: 10px;
        height: 10px;
    }
}

.project-content {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.project-content h3 {
    font-size: 1.3rem;
    color: var(--text-color);
    font-weight: 600;
}

.project-content p {
    color: var(--text-color);
    opacity: 0.8;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Tags technologiques améliorés */
.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: auto;
}

.tech-tag {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    background: var(--sidebar-bg);
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(41, 128, 185, 0.1);
}

.tech-tag:hover {
    background: var(--button-bg);
    color: var(--white-color);
    transform: translateY(-2px);
}

/* Lien du projet amélioré */
.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(45deg, var(--button-bg), var(--hover-bg));
    color: var(--white-color);
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    width: fit-content;
    margin-top: 1rem;
}

.project-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(41, 128, 185, 0.3);
}

/* Responsive design amélioré */
@media (max-width: 1200px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 1rem;
    }

    .project-content {
        padding: 1.5rem;
    }

    .project-status {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }

    .tech-tag {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
}

/* Style amélioré pour la section contact */
.contact-form {
    max-width: 800px;
    margin: 0 auto;
    padding: 2.5rem;
    background: var(--white-color);
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--button-bg), var(--hover-bg));
}

.form-group {
    position: relative;
    margin-bottom: 2.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.2rem;
    border: 2px solid var(--sidebar-bg);
    border-radius: 12px;
    background: transparent;
    font-size: 1rem;
    color: var(--text-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-group label {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    padding: 0 0.5rem;
    color: var(--text-color);
    font-size: 1rem;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--white-color);
}

.form-group textarea ~ label {
    top: 1.2rem;
    transform: none;
}

/* Animation des labels */
.form-group input:focus ~ label,
.form-group input:valid ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:valid ~ label {
    top: -0.5rem;
    left: 0.8rem;
    font-size: 0.85rem;
    color: var(--button-bg);
    font-weight: 600;
}

/* Style des champs au focus */
.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--button-bg);
    box-shadow: 0 0 0 4px rgba(41, 128, 185, 0.1);
    outline: none;
}

/* Bouton d'envoi amélioré */
.submit-btn {
    width: 100%;
    padding: 1.2rem;
    border: none;
    border-radius: 12px;
    background: linear-gradient(45deg, var(--button-bg), var(--hover-bg));
    color: var(--white-color);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(41, 128, 185, 0.25);
}

.submit-btn:hover::before {
    transform: translateX(100%);
}

/* Animation de chargement pour le bouton */
.submit-btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.submit-btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin: -10px 0 0 -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: button-loading 0.8s linear infinite;
}

@keyframes button-loading {
    to { transform: rotate(360deg); }
}

/* Message de succès/erreur */
.form-message {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 2rem;
    border-radius: 12px;
    color: white;
    font-weight: 500;
    transform: translateX(150%);
    animation: slideIn 0.5s forwards;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.form-message.success {
    background: linear-gradient(45deg, #27ae60, #2ecc71);
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
}

.form-message.error {
    background: linear-gradient(45deg, #e74c3c, #c0392b);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

.form-message::before {
    font-family: "uicons-bold-rounded";
    font-size: 1.2rem;
}

.form-message.success::before {
    content: '\f3fd'; /* Icône de succès */
}

.form-message.error::before {
    content: '\f659'; /* Icône d'erreur */
}

@keyframes slideIn {
    to { transform: translateX(0); }
}

/* Responsive design */
@media (max-width: 768px) {
    .contact-form {
        padding: 1.5rem;
        margin: 1rem;
    }

    .form-group {
        margin-bottom: 2rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 1rem;
        font-size: 0.95rem;
    }

    .submit-btn {
        padding: 1rem;
        font-size: 1rem;
    }

    .form-message {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
        text-align: center;
    }
}

/* Style amélioré pour la section À propos */
.about-section {
    padding: 3rem 2rem;
    position: relative;
    background: var(--white-color);
    border-radius: 25px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

/* En-tête de la section */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

/* Zone de texte principale */
.about-text {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    position: relative;
}

.about-text h3 {
    font-size: 1.8rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.about-text h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--button-bg), var(--hover-bg));
    border-radius: 2px;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.about-text p:last-child {
    margin-bottom: 0;
}

/* Statistiques */
.about-stats {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.stat-item {
    background: linear-gradient(135deg, var(--white-color), var(--sidebar-bg));
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid rgba(41, 128, 185, 0.1);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(41, 128, 185, 0.15);
    border-color: var(--button-bg);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--button-bg), var(--hover-bg));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--text-color);
    font-weight: 500;
}

/* Section supplémentaire */
.about-extra {
    margin-top: 4rem;
    padding: 2rem;
    background: var(--sidebar-bg);
    border-radius: 20px;
    position: relative;
}

.about-extra h3 {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 1.2rem;
    padding-bottom: 0.8rem;
    border-bottom: 2px solid rgba(41, 128, 185, 0.2);
}

.about-extra p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-color);
    margin-bottom: 2rem;
}

/* Style des témoignages */
blockquote {
    background: var(--white-color);
    padding: 2rem;
    border-radius: 15px;
    position: relative;
    margin: 2rem 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

blockquote::before {
    content: '"';
    font-size: 4rem;
    color: var(--button-bg);
    position: absolute;
    top: -10px;
    left: 20px;
    opacity: 0.2;
}

blockquote p {
    font-style: italic;
    margin-bottom: 0;
    padding-left: 2rem;
}

/* Liens sociaux */
.about-extra a {
    color: var(--button-bg);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.about-extra a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--button-bg);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.about-extra a:hover {
    color: var(--hover-bg);
}

.about-extra a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Animation au scroll */
.about-content, .about-extra {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.8s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive design */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-stats {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .stat-item {
        flex: 1;
        min-width: 200px;
    }
}

@media (max-width: 768px) {
    .about-section {
        padding: 2rem 1rem;
    }

    .about-text, .about-extra {
        padding: 1.5rem;
    }

    .about-text h3 {
        font-size: 1.5rem;
    }

    .about-text p, .about-extra p {
        font-size: 1rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .stat-label {
        font-size: 1rem;
    }

    blockquote {
        padding: 1.5rem;
    }
}

/* Style amélioré pour la section Portfolio */
.portfolio-section {
    padding: 2rem;
}

/* Style amélioré pour la barre de recherche */
.search-container {
    width: 100%;
    max-width: 700px;
    margin: 0 auto 3rem;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 100;
}

.project-search {
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
}

.project-search input {
    width: 100%;
    padding: 1.2rem 4rem;
    border: 2px solid var(--sidebar-bg);
    border-radius: 50px;
    font-size: 1.1rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--white-color);
    color: var(--text-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.project-search::before {
    content: '\f002';
    font-family: "uicons-bold-rounded";
    position: absolute;
    left: 1.5rem;
    font-size: 1.3rem;
    color: var(--button-bg);
    transition: all 0.4s ease;
    z-index: 2;
}

.project-search input:focus {
    border-color: var(--button-bg);
    box-shadow: 0 8px 25px rgba(41, 128, 185, 0.15);
    outline: none;
    transform: translateY(-2px);
}

.project-search.active::before {
    transform: scale(1.2);
    color: var(--hover-bg);
}

/* Suggestions de recherche améliorées */
.search-suggestions {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    width: 100%;
    background: var(--white-color);
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.98);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
    border: 1px solid rgba(41, 128, 185, 0.1);
}

.search-container.active .search-suggestions {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.suggestion-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.suggestion-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(41, 128, 185, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.suggestion-item:hover {
    background: var(--sidebar-bg);
    transform: translateX(5px);
}

.suggestion-item:hover::before {
    opacity: 1;
}

.suggestion-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--button-bg), var(--hover-bg));
    border-radius: 12px;
    color: var(--white-color);
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.suggestion-item:hover .suggestion-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 4px 15px rgba(41, 128, 185, 0.2);
}

.suggestion-text {
    flex: 1;
}

.suggestion-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.3rem;
    transition: color 0.3s ease;
}

.suggestion-category {
    font-size: 0.9rem;
    color: var(--button-bg);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.suggestion-category::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--button-bg);
}

/* Indicateur de recherche amélioré */
.search-status {
    position: absolute;
    right: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    backdrop-filter: blur(5px);
}

.search-status.searching {
    opacity: 1;
}

.search-status::before {
    content: '';
    width: 14px;
    height: 14px;
    border: 2px solid var(--button-bg);
    border-top-color: transparent;
    border-radius: 50%;
    animation: searching 0.8s linear infinite;
}

@keyframes searching {
    to { transform: rotate(360deg); }
}

/* Animation de focus */
.project-search input:focus ~ .search-decoration {
    opacity: 1;
    transform: scale(1);
}

.search-decoration {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0;
    transform: scale(0.98);
    transition: all 0.4s ease;
}

.search-decoration::before,
.search-decoration::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--button-bg);
    opacity: 0.5;
}

/* Responsive design amélioré */
@media (max-width: 768px) {
    .search-container {
        max-width: 100%;
        margin-bottom: 2rem;
    }

    .project-search input {
        padding: 1rem 3.5rem;
        font-size: 1rem;
    }

    .project-search::before {
        font-size: 1.1rem;
        left: 1.2rem;
    }

    .suggestion-item {
        padding: 0.8rem;
    }

    .suggestion-icon {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }

    .search-status {
        padding: 0.3rem 0.8rem;
        font-size: 0.8rem;
        right: 1rem;
    }
}

/* Animation de scroll */
.section {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Effet de parallaxe léger */
.main::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(41, 128, 185, 0.1), transparent);
    pointer-events: none;
    z-index: -1;
}

/* Style du logo et du lien diplôme */
.diplome-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: var(--button-bg);
    color: var(--white-color);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(41, 128, 185, 0.2);
}

.diplome-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(41, 128, 185, 0.3);
}

.diplome-link i {
    font-size: 1.1rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .formation #slide-logo {
        width: 70px;
        height: 70px;
    }

    .diplome-link {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }

    .indicator {
        width: 6px;
        height: 6px;
    }
}

/* Style pour la timeline des expériences */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--button-bg) 0%, rgba(41, 128, 185, 0.2) 100%);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: calc(50% - 30px);
    margin-bottom: 2rem;
    animation: fadeIn 0.5s ease forwards;
    perspective: 1000px;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 40px;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 40px;
}

.timeline-content {
    position: relative;
    padding: 1.5rem;
    background: var(--white-color);
    border-radius: var(--border-radius);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    transform-origin: center;
    cursor: pointer;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 20px;
    width: 20px;
    height: 20px;
    background: var(--button-bg);
    border-radius: 50%;
    border: 4px solid var(--white-color);
    box-shadow: 0 0 0 4px rgba(41, 128, 185, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -50px;
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -50px;
}

.timeline-content:hover::before {
    transform: scale(1.2);
    box-shadow: 0 0 0 6px rgba(41, 128, 185, 0.2);
}

.timeline-logo {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 1rem;
    border: 3px solid var(--white-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.timeline-content:hover .timeline-logo {
    transform: scale(1.1) rotate(5deg);
}

.timeline-title {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.timeline-structure {
    font-size: 1rem;
    color: var(--button-bg);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.timeline-date {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.timeline-date::before {
    content: '\f073';  /* Icône de calendrier */
    font-family: "uicons-bold-rounded";
    font-size: 1rem;
    color: var(--button-bg);
}

.timeline-description {
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text-color);
    opacity: 0.9;
}

/* Animation d'entrée améliorée */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px) rotateX(-10deg);
    }
    to {
        opacity: 1;
        transform: translateY(0) rotateX(0);
    }
}

/* Responsive design amélioré */
@media (max-width: 768px) {
    .timeline::before {
        left: 30px;
    }

    .timeline-item {
        width: calc(100% - 60px);
        margin-left: 60px;
    }

    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        left: 0;
        padding: 0;
    }

    .timeline-content::before {
        left: -40px !important;
    }

    .timeline-content {
        padding: 1.2rem;
    }

    .timeline-logo {
        width: 50px;
        height: 50px;
    }

    .timeline-title {
        font-size: 1.1rem;
    }

    .timeline-structure {
        font-size: 0.95rem;
    }

    .timeline-date,
    .timeline-description {
        font-size: 0.9rem;
    }
}

/* Style pour la section intérêts */
.interests-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* Exactement 4 colonnes */
    gap: 1.5rem;
    padding: 1rem;
    max-width: 1200px; /* Pour limiter la largeur maximale */
    margin: 0 auto;
}

.interest-card {
    position: relative;
    background: var(--white-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    aspect-ratio: 1;
}

.interest-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.interest-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.interest-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 1.5rem 1rem;
    color: var(--white-color);
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.interest-card:hover .interest-overlay {
    transform: translateY(0);
}

.interest-card:hover .interest-image {
    transform: scale(1.1);
}

.interest-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.interest-structure {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Animation d'apparition */
.interest-card {
    opacity: 0;
    animation: fadeInUp 0.5s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Ajustement du responsive */
@media (max-width: 1024px) {
    .interests-grid {
        grid-template-columns: repeat(3, 1fr); /* 3 colonnes sur tablette */
    }
}

@media (max-width: 768px) {
    .interests-grid {
        grid-template-columns: repeat(2, 1fr); /* 2 colonnes sur petit écran */
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .interests-grid {
        grid-template-columns: repeat(1, 1fr); /* 1 colonne sur très petit écran */
    }
}

/* Style pour la section compétences */
.skills-container {
    width: 100%;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

/* Style du titre principal avec animation */
.skills-item h2 {
    font-size: 2.5rem;
    text-align: center;
    color: var(--text-color);
    margin-bottom: 3rem;
    position: relative;
    transition: all 0.4s ease;
    opacity: 0;
    animation: slideInTitle 0.8s ease forwards;
}

@keyframes slideInTitle {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.skills-item h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--button-bg), var(--hover-bg));
    border-radius: 4px;
    transition: width 0.3s ease;
}

.skills-item h2:hover::after {
    width: 150px;
}

/* Grille de compétences avec effet masonry */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    padding: 1.5rem;
    opacity: 0;
    animation: fadeInSkills 0.8s ease forwards;
}

/* Carte de compétence améliorée */
.skill-card {
    background: var(--white-color);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(41, 128, 185, 0.1);
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent, rgba(41, 128, 185, 0.05));
    opacity: 0;
    transition: opacity 0.5s ease;
}

.skill-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 35px rgba(41, 128, 185, 0.15);
    border-color: var(--button-bg);
}

/* En-tête de la carte avec animation */
.skill-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.skill-icon {
    width: 60px;
    height: 60px;
    padding: 1rem;
    background: var(--sidebar-bg);
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.5s ease;
}

.skill-card:hover .skill-icon {
    transform: scale(1.15) rotate(8deg);
    box-shadow: 0 8px 20px rgba(41, 128, 185, 0.2);
}

/* Badges de catégorie personnalisés */
.skill-category {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1.2rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-top: 0.5rem;
}

.skill-category[data-category="Frontend"] {
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.1), rgba(46, 204, 113, 0.2));
    color: #27ae60;
    border: 1px solid rgba(46, 204, 113, 0.2);
}

.skill-category[data-category="Backend"] {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), rgba(52, 152, 219, 0.2));
    color: #2980b9;
    border: 1px solid rgba(52, 152, 219, 0.2);
}

.skill-category[data-category="Design"] {
    background: linear-gradient(135deg, rgba(155, 89, 182, 0.1), rgba(155, 89, 182, 0.2));
    color: #8e44ad;
    border: 1px solid rgba(155, 89, 182, 0.2);
}

.skill-category[data-category="Traitement de texte"] {
    background: linear-gradient(135deg, rgba(230, 126, 34, 0.1), rgba(230, 126, 34, 0.2));
    color: #d35400;
    border: 1px solid rgba(230, 126, 34, 0.2);
}

/* Barre de progression améliorée */
.skill-level-wrapper {
    position: relative;
    margin-top: 1.5rem;
}

.skill-level {
    width: 100%;
    height: 10px;
    background: rgba(41, 128, 185, 0.1);
    border-radius: 5px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--button-bg), var(--hover-bg));
    border-radius: 5px;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Info-bulle améliorée */
.skill-tooltip {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1.2rem;
    background: rgba(0, 0, 0, 0.95);
    color: var(--white-color);
    border-radius: 20px 20px 0 0;
    font-size: 0.95rem;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
    backdrop-filter: blur(5px);
    line-height: 1.6;
}

.skill-card:hover .skill-tooltip {
    transform: translateY(0);
}

/* Animations */
@keyframes fadeInSkills {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive design */
@media (max-width: 1024px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .skills-container {
        padding: 1rem;
    }

    .skills-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .skill-card {
        padding: 1.2rem;
    }

    .skill-icon {
        width: 45px;
        height: 45px;
    }

    .skill-name {
        font-size: 1.1rem;
    }
}

/* Style pour les informations de contact */
.contact-info {
    max-width: 800px;
    margin: 0 auto 3rem;
    padding: 2rem;
    background: var(--white-color);
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.contact-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--button-bg), var(--hover-bg));
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem;
    margin-bottom: 1rem;
    background: var(--sidebar-bg);
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.contact-info p:last-child {
    margin-bottom: 0;
}

.contact-info p::before {
    font-family: "uicons-bold-rounded";
    font-size: 1.5rem;
    color: var(--button-bg);
}

.contact-info p:first-child::before {
    content: '\f159'; /* Icône email */
}

.contact-info p:last-child::before {
    content: '\f2c1'; /* Icône téléphone */
}

.contact-info a {
    color: var(--button-bg);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    background: rgba(41, 128, 185, 0.1);
}

.contact-info a:hover {
    background: var(--button-bg);
    color: var(--white-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(41, 128, 185, 0.2);
}

.contact-info p:hover {
    transform: translateX(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

/* Animation d'entrée */
.contact-info {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInContact 0.8s ease forwards;
}

@keyframes fadeInContact {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive design */
@media (max-width: 768px) {
    .contact-info {
        margin: 1rem;
        padding: 1.5rem;
    }

    .contact-info p {
        padding: 1rem;
        font-size: 0.95rem;
        flex-direction: column;
        text-align: center;
        gap: 0.8rem;
    }

    .contact-info p::before {
        font-size: 1.8rem;
    }

    .contact-info a {
        display: block;
        padding: 0.8rem;
    }
}

/* Responsive Design Amélioré */

/* Tablettes larges et petits ordinateurs (1024px et moins) */
@media (max-width: 1024px) {
    /* Layout principal */
    .main {
        width: calc(100% - 250px);
        margin-left: 250px;
        padding: 1.5rem;
    }

    .sidebar {
        width: 250px;
    }

    /* Grilles */
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Section À propos */
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-stats {
        flex-direction: row;
        justify-content: space-around;
    }
}

/* Tablettes (768px et moins) */
@media (max-width: 768px) {
    /* Layout principal */
    .app-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding: 1rem;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .sidebar .header {
        flex-direction: row;
        gap: 1rem;
    }

    .sidebar .header #photo {
        width: 60px;
        height: 60px;
    }

    .sidebar .header .name {
        font-size: 1.2rem;
    }

    .sidebar .job-title {
        display: none;
    }

    .main {
        width: 100%;
        margin-left: 0;
        padding: 1rem;
    }

    /* Navigation */
    .navbar {
        overflow-x: auto;
        padding: 0.5rem;
        gap: 0.5rem;
        justify-content: flex-start;
    }

    .nav-items {
        padding: 0.5rem 0.8rem;
        white-space: nowrap;
        font-size: 0.9rem;
    }

    .sub-menu {
        flex-wrap: wrap;
        gap: 0.5rem;
        padding: 0.5rem;
    }

    /* Sections */
    .section {
        padding: 1rem;
        margin-top: 1rem;
    }

    .section h2 {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }

    /* Portfolio */
    .portfolio-grid {
        grid-template-columns: 1fr;
        padding: 0.5rem;
    }

    .portfolio-filters {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    /* Contact */
    .contact-form,
    .contact-info {
        padding: 1rem;
        margin: 1rem;
    }

    .form-group {
        margin-bottom: 1.5rem;
    }

    /* À propos */
    .about-text,
    .about-extra {
        padding: 1rem;
    }

    .about-text h3 {
        font-size: 1.3rem;
    }

    .stat-item {
        padding: 1rem;
    }
}

/* Mobiles (480px et moins) */
@media (max-width: 480px) {
    /* Header */
    .sidebar {
        padding: 0.8rem;
    }

    .sidebar .header #photo {
        width: 50px;
        height: 50px;
    }

    .sidebar .header .name {
        font-size: 1rem;
    }

    .sidebar #downloadBtn {
        padding: 0.5rem;
        font-size: 0.9rem;
    }

    /* Navigation */
    .nav-items .icon {
        font-size: 1rem;
    }

    .nav-items span:not(.icon) {
        display: none;
    }

    /* Sections */
    .section h2 {
        font-size: 1.3rem;
    }

    /* Portfolio */
    .portfolio-item {
        margin-bottom: 1rem;
    }

    .project-header {
        padding-top: 70%;
    }

    .project-content {
        padding: 1rem;
    }

    /* Contact */
    .form-group input,
    .form-group textarea {
        padding: 0.8rem;
        font-size: 0.9rem;
    }

    .submit-btn {
        padding: 0.8rem;
        font-size: 0.9rem;
    }

    /* Messages */
    .form-message {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
        font-size: 0.9rem;
        padding: 0.8rem;
    }
}

/* Ajustements pour les très petits écrans */
@media (max-width: 320px) {
    .sidebar .header {
        flex-direction: column;
        align-items: center;
    }

    .portfolio-filters button {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 0.8rem;
    }
}

/* Ajustements pour l'orientation paysage sur mobile */
@media (max-height: 480px) and (orientation: landscape) {
    .sidebar {
        position: relative;
        height: auto;
    }

    .main {
        margin-top: 0;
    }

    .section {
        margin-top: 0.5rem;
    }
}

/* Support des écrans haute résolution */
@media (min-width: 1920px) {
    :root {
        --font-size-base: 1.1rem;
    }

    .container {
        max-width: 1600px;
    }

    .portfolio-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Loader styles */
.loader-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loader {
    border: 8px solid #f3f3f3;
    border-top: 8px solid #3498db;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Back to top button */
#backToTopBtn {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 30px;
    z-index: 99;
    border: none;
    outline: none;
    background-color: var(--button-bg);
    color: white;
    cursor: pointer;
    padding: 15px;
    border-radius: 10px;
    font-size: 18px;
}

#backToTopBtn:hover {
    background-color: var(--hover-bg);
}